The 1920s satnav ... and other weird and wonderful gadgets that never quite took off

chopper: "The modern food processor is something we take for granted - just fill the bowl and push the switch. More satisfying - and quieter - was this Victorian food chopper. Turning the handle pushes the cutting arm up and down and rotates the bowl at the same time. Read more: http://www.dailymail.co.uk/sciencetech/article-1045114/The-1920s-satnav---weird-wonderful-gadgets-quite-took-off.html#ixzz2LzKhHocH